cubicweb-seda #15032060 Ensure simplified profile [open]

don't have

  • some 'reference' archive unit
  • more than on content per archive unit
  • data objects referenced by 0 or more than one archive unit
  • physical data objects
  • to be continued...

This should be ensured in a hook triggered on simplified_profile update to true.

done in0.X.0
closed by<not specified>